Avibactam impurity 113 CAS 115134-37-7
| CAS No. | 115134-37-7 |
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Avibactam impurity 113.
Avibactam impurity 113 (CAS 115134-37-7) is a certified pharmaceutical impurity reference standard with the molecular formula C15H12O4 and a molecular weight of 256.25 g/mol.
Based on its molecular formula C15H12O4, Avibactam impurity 113 contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Avibactam Standards
- Avibactam Impurity 15 (CAS 144978-12-1)
- Avibactam impurity 111 (CAS CATO-C4X-1348111)
- Avibactam Impurity 85 (CAS 2733516-71-5)
- Avibactam Impurity 25 (CAS 1501980-29-5)
- Avibactam Impurity 11 (CAS CATO-C4X-134811)
- Avibactam Impurity 23 (CAS 1416134-49-0)
- Avibactam Impurity 26 (CAS CATO-C4X-134826)
- Avibactam Impurity 44 (CAS CATO-C4X-134844)
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